Siemens TL.. Manual de instrucciones descargar pdf (Pagina 17)

Operating Instructions

Operating the SB Encased Systems Breaker

General Instructions

Instructions for charging the stored energy mechanism, clos-

ing and opening the breaker, and positioning and rotating the

moveable drawout elements of the drawout-constructed SB

breakers are presented in this section. The trip unit’s standard

test and monitoring functions are also presented. These

instructions are grouped into two parts: Operating the SB

Breaker and Manipulating the Moveable Drawout Element.

Before bringing the SB breaker on-line, the user should be

familiar with the test and monitoring functions. Operating

instructions for the accessories are presented in the Accesso-

ries Section.

Operating the SB Breaker

The SB breaker controls and charging handle for the stored

energy mechanism are located in the central escutcheon of

the front panel. Standard controls are Push-to-Close and Push-

to-Open pushbuttons. Color-coded indicators display the

charged/discharged status of the stored energy mechanism

and the closed/open status of the breaker. Positions are avail-

able in the central escutcheon for a Key Interlock and an

Electric Close pushbutton.

SB Encased Systems Breaker Controls and Indicators

A. Stored energy

mechanism spring

charged/ spring

discharged status

indicator

B. Push-to-Close

pushbutton

C. Position for

Electric Close

pushbutton

D. Circuit breaker

Closed/Open

status indicator

E. Position for

Key Interlock

F. Push-to-Open

pushbutton

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 65 66

Sin comentarios

Siemens TL.. Manual de instrucciones Pagina 17